69905313 has 12 divisors (see below), whose sum is σ = 106289040. Its totient is φ = 44150616.

The previous prime is 69905293. The next prime is 69905323. The reversal of 69905313 is 31350996.

It is not a de Polignac number, because 69905313 - 2⁶ = 69905249 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (69905323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204231 + ... + 204572.

It is an arithmetic number, because the mean of its divisors is an integer number (8857420).

Almost surely, 2^69905313 is an apocalyptic number.

It is an amenable number.

69905313 is a deficient number, since it is larger than the sum of its proper divisors (36383727).

69905313 is a wasteful number, since it uses less digits than its factorization.

69905313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408828 (or 408825 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 69905313 is about 8360.9397199119. The cubic root of 69905313 is about 411.9426213021.

The spelling of 69905313 in words is "sixty-nine million, nine hundred five thousand, three hundred thirteen".